Split intcode-processor to it's own library, made day 2 work with it

2018/day24/combat.go

@@ -2,11 +2,11 @@ package main
 
 import (
 	"fmt"
+	"log"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
-
-	helpers2017 "bitbucket.org/thezeez/advent-of-code-2017/helpers"
 )
 
 type Battlefield map[int]Army
@@ -48,11 +48,11 @@ func PrepareForBattle(input []string) (Battlefield, Initiative) {
 			}
 
 			group := &Group{
-				Units:        helpers2017.IntOrPanic(description[descriptionCount]),
-				HitPoints:    helpers2017.IntOrPanic(description[descriptionHitPoints]),
-				AttackDamage: helpers2017.IntOrPanic(description[descriptionDamage]),
+				Units:        Atoi(description[descriptionCount]),
+				HitPoints:    Atoi(description[descriptionHitPoints]),
+				AttackDamage: Atoi(description[descriptionDamage]),
 				AttackType:   description[descriptionDamageType],
-				Initiative:   helpers2017.IntOrPanic(description[descriptionInitiative]),
+				Initiative:   Atoi(description[descriptionInitiative]),
 			}
 
 			immunities := groupImmunities.FindStringSubmatch(line)
@@ -159,3 +159,12 @@ func (b Battlefield) TotalUnits() int {
 	}
 	return sum
 }
+
+func Atoi(i string) int {
+	var ret int
+	var err error
+	if ret, err = strconv.Atoi(i); err != nil {
+		log.Fatal("Invalid Atoi")
+	}
+	return ret
+}